National Provider Identifier
Joseph S Thomas, M.D.
Joseph S Thomas, M.D. is listed in the NPPES registry with a primary specialty of Internal Medicine Physician in Buffalo, NY and a listed phone number of (716) 859-5600.
Source: public NPPES record, last updated August 13, 2025. This profile is informational and is not medical advice, a quality rating, or a provider recommendation.
Profile Overview
- NPI
- 1861887846
- Provider Type
- Individual
- Primary Specialty
- Internal Medicine Physician
- Enumeration Date
- April 06, 2015
- Last Updated
- August 13, 2025
Practice Location
- 100 High Street
- Buffalo General Hospital
- Buffalo, NY 14203
Phone: (716) 859-5600
Mailing Address
- 425 Essjay RD Ste 170
- Williamsville, NY 14221-8235
Specialties
- Internal Medicine Physician (207R00000X)
- Student in an Organized Health Care Education/Training Program (390200000X)
Browse Similar Providers
See more providers in the Internal Medicine classification in Buffalo, NY.
Medicare Part B Activity
Reported 442 Medicare fee-for-service service lines in 2024.
Peer comparison
Compared to Internal Medicine providers in the Buffalo, NY metro area.
This provider is in the 58th percentile for Medicare service volume.
Around the middle of the peer group.
Performs 20% more Medicare services than the peer median.
Higher than 385 of 665 peers.
- Activity Percentile
- 57.9%
- Rank by Services
- 279 of 665
- Total Services
- 442
- Est. Allowed Value
- $51,807.78
- Dataset Year
- 2024
- Drug Code Share
- 0.0%
Estimated allowed value reflects Medicare fee-for-service allowed amounts only. It does not include Medicare Advantage, commercial insurance, cash-pay services, or employment compensation.
Peers are grouped by the broader Internal Medicine classification rather than the exact subspecialty label shown elsewhere on the page.
Percentile distribution
Each bar represents a 10-point percentile band of peers by total Medicare services for Internal Medicine across the Buffalo, NY metro area. Taller bars indicate higher service-volume bands. Highlighted bar marks this provider's percentile band.
Observed service range: 11 to 94,260 total Medicare services.
Top Clinical Services
- 99233: Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes
261 services | $28,935.56
- 99239: Hospital discharge day management, more than 30 minutes
94 services | $10,132.67
- 99223: Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes
71 services | $11,623.87
- 99232: Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes
16 services | $1,115.68
Biography
Dr. Joseph S. Thomas is a Buffalo-based hospitalist with Buffalo Medical Group and an affiliated physician at Mercy Hospital of Buffalo. He has also served as a clinical instructor with Catholic Health’s internal medicine residency program, reflecting an ongoing role in physician training and medical education, and his early career at the University at Buffalo included recognition for both professionalism and humanism, including induction into the Gold Humanism Honor Society and the Marek B. Zaleski Award.
Full Record
- NPI
- 1861887846
- Entity Type
- Individual
- Last Name
- Thomas
- First Name
- Joseph
- Middle Name
- S
- Credential
- M.D.
- Mailing Street Address
- 425 Essjay RD Ste 170
- Mailing City
- Williamsville
- Mailing State
- NY
- Mailing ZIP Code
- 14221-8235
- Mailing Country
- US
- Mailing Phone
- (716) 630-1219
- Practice Street Address
- 100 High Street
- Practice Address Line 2
- Buffalo General Hospital
- Practice City
- Buffalo
- Practice State
- NY
- Practice ZIP Code
- 14203
- Practice Country
- US
- Practice Phone
- (716) 859-5600
- Practice Fax
- (716) 817-1724
- Enumeration Date
- April 06, 2015
- Last Updated
- August 13, 2025
- Sex
- Male
- Sole Proprietor
- No
- Certification Date
- August 13, 2025
- Taxonomies
- Internal Medicine Physician (207R00000X), Student in an Organized Health Care Education/Training Program (390200000X)